Vol. for 1981 produced by: the National Foreign Assessment Center; 1982- by: the Central Intelligence Agency
Also issued in reprint ed. by Grand River Books
Also issued on CD-ROM with titles: World factbook (Washington, D.C. : CD-ROM), CIA world factbook on CD-ROM, and: Multimedia world factbook; and issued on diskette with title: World factbook (Washington, DC : Diskette)
Also available as part of: Time almanac (Multimedia ed.)
Evidence reported by scanner-christopher-jones for item worldfactbook90natiilli on February 23, 2007: no visible notice of copyright; stated date is 1990.